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Senecio cineraria

Image of Senecio cineraria

Gerald L. Klingaman

Family

Asteraceae

Botanical Name

Senecio cineraria

Plant Common Name

Dusty Miller, Silver Ragwort

General Description

Dusty miller is one of the great foliage fillers for sunny containers, beds and borders. Its soft, ferny, silvery white leaves compliment almost everything. Though commonly planted as an annual in temperate regions, this Mediterranean native is actually an evergreen perennial. In the second year, small golden daisies appear in summer.

Excellent drought and heat tolerance are two of the more desirable features of this sustainable bedding plant. It grows best in sites with full sun and well-drained average soil. It takes well to shearing, and there are several notable cultivated varieties available in the trade, such as the ferny ‘Silver Dust’ and thicker-leaved ‘New Look.’

Characteristics

  • AHS Heat Zone

    12 - 1

  • USDA Hardiness Zone

    8 - 11

  • Sunset Zone

    A1, A2, A3, H1, H2, 1a, 1b, 2a, 2b, 3a, 3b, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24

  • Plant Type

    Perennial

  • Sun Exposure

    Full Sun

  • Height

    1'-2' / 0.3m - 0.6m

  • Width

    1'-2' / 0.3m - 0.6m

  • Bloom Time

    Early Summer, Summer, Late Summer

  • Native To

    Mediterranean

Growing Conditions

  • Soil pH

    Acidic, Neutral, Alkaline

  • Soil Drainage

    Well Drained

  • Soil type

    Clay, Loam, Sand

  • Tolerances

    Drought

  • Growth Rate

    Fast

  • Habit

    Clump-Forming

  • Seasonal Interest

    Spring, Summer, Fall, Winter

Ornamental Features

  • Flower Interest

    Showy

  • Flower Color

    Yellow

  • Foliage Color (Spring)

    White, Gray Green, Silver

  • Foliage Color (Summer)

    White, Gray Green, Silver

  • Foliage Color (Fall)

    White, Gray Green, Silver

  • Foliage Color (Winter)

    White, Gray Green, Silver

  • Fragrant Flowers

    Yes

  • Fragrant Fruit

    No

  • Fragrant Foliage

    Yes

  • Bark or Stem Fragrant

    No

  • Flower Petal Number

    Single

  • Repeat Bloomer

    No

  • Showy Fruit

    No

  • Edible Fruit

    No

  • Showy Foliage

    Yes

  • Foliage Texture

    Medium

  • Foliage Sheen

    Matte

  • Evergreen

    Yes

  • Showy Bark

    No

Special Characteristics

  • Usage

    Bedding Plant, Container, Edging, Foundation, Hanging Basket, Mixed Border

  • Sharp or Has Thorns

    No

  • Invasive

    No

  • Attracts

    Butterflies

  • Self-Sowing

    No